package com.itheima.reggie.config;

/**
 * @Author:wujing
 * @Date:2022/12/14 0:52
 */

import com.itheima.reggie.common.JacksonObjectMapper;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * springmvc配置类
 *      1.拦截器
 *      2.静态资源的放行
 *
 */
@Configuration
public class WebMvcSupport extends WebMvcConfigurationSupport {


    /**
     * 放行静态资源
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {

        //配置管理端静态资源的放行规则
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");

        //配置客户端静态资源的放行规则
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");

    }


    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {

        //创建：消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();

        //创建：对象转换器，底层使用jackson将java对象转换成json
        JacksonObjectMapper jacksonObjectMapper = new JacksonObjectMapper();

        //设置对象转换器，底层使用jackson将java对象转成json
        messageConverter.setObjectMapper(jacksonObjectMapper);

        //将上面的消息转换器对象，追加到mvc框架的转换器集合
        converters.add(0,messageConverter);
    }



}















